/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/ToolSceneQueriesUtil.h
FSnapGeometrystores information about geometry data of a snap, which we might use for highlights/etc
struct FSnapGeometry
int
PointCount
Number of initialized elements in Points
FVector3d[3]
Points
Geometry that was snapped to. only PointCount elements are initialized